Prosoft-technology MVI69-ADM Instrukcja Użytkownika Strona 224

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Backplane API Functions MVI-ADM 'C' Programmable
Developer's Guide 'C' Programmable Application Development Module
Page 224 of 342 ProSoft Technology, Inc.
February 20, 2013
MVIbp_SetModuleStatus
Syntax
int MVIbp_SetModuleStatus(MVIHANDLE handle, int status);
Parameters
handle
Handle returned by previous call to MVIbp_Open
status
Module status, OK or Faulted
Description
MVIbp_SetModuleStatus allows an application set the state of the module to OK
or Faulted.
handle must be a valid handle returned from MVIbp_Open.
state must be set to MVI_MODULE_STATUS_OK or
MVI_MODULE_STATUS_FAULTED. If the state is OK, the module status LED
indicator will be set to Green. If the state is Faulted, the status indicator will be
set to Red.
Note: The MVI hardware can set the OK LED to Red if any of the following occurs:
an unrecoverable fault
hardware failure
backplane driver failure
Neither the MVI hardware nor the Set ModuleStatus call has priority. Either can
overwrite the other.
Return Value
MVI_SUCCESS
The input scan has occurred.
MVI_ERR_NOACCESS
handle does not have access
MVI_ERR_BADPARAM
lednum or ledstate is invalid.
Example
MVIHANDLE Handle;
/* Set the Status indicator to Red */
MVIbp_SetModuleStatus(Handle, MVI_MODULE_STATUS_FAULTED);
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